* An 18 Karat Bicolor Gold Necklace, Moda Italia, 68.20

An 18 Karat Bicolor Gold Necklace, Italian, consisting of a 'Parentesi' style link measuring approximately 17.00 mm wide, accompanied by an additional section of removed links. Stamped ITALY 750. 74.4

* An 18 Karat Bicolor Gold and Diamond Necklace, Italian, containing 25 round brilliant cut diamonds weighing approximately 0.90 carat total. Stamp: 18K ITALY. 28.20 dwts. Estimate $1,200-1,800 Proper

An 18 Karat Bicolor Gold and Diamond Tubogas Collar Necklace, Micheletto, in a yellow gold flexible design, the white gold endcaps containing 86 round brilliant cut diamonds weighing approximately 2.1

An 18 Karat Bicolor Gold and Diamond Curb Link Necklace, consisting of yellow gold curb links accented centrally with three white links containing 14 round brilliant cut diamonds weighing approximatel

A Vintage 18 Karat Bicolor Gold and Cultured Pearl Convertible Necklace, Mario Buccellati, consisting of two sections that can be worn as separate necklaces or combined, consisting of one necklace con

A Bicolor Gold and Diamond Slide/Pendant and Omega Necklace, consisting of an 18 karat bicolor gold slide/pendant containing four round brilliant cut diamonds weighing approximately 0.24 carat total a

An exquisite vintage rope chain necklace, in 18K bicolor gold, Geneva, Switzerland, circa 1960's - 1970's. This piece has been beautifully crafted out of two tone 18 karat, yellow and white, gold to c

An exquisite vintage rope chain necklace, in 18K bi-color gold, Geneva, Switzerland, circa 1960's - 1970's. This piece has been beautifully crafted out of two tone 18 karat, yellow and white, gold to

the pendant containing one cut-corner rectangular step-cut bicolor 'watermelon' tourmaline weighing approximately 9.50 carats; 18.0 grams; 24 1/2 inches long

A Pair of 18 Karat Bicolor Gold, Colored Diamond and Diamond Earclips, containing numerous round brilliant cut diamonds and mixed cut colored diamonds (origin of color not tested) weighing approximate

An 18 Karat Bicolor Gold, Pink Sapphire and Diamond Bracelet, Hasbani, containing 31 oval shape mixed cut pink sapphires weighing approximately 13.25 carats total and 42 round brilliant cut diamonds w

STEFANI 18 KARAT Gold Necklace, four sided open link necklace, the larger oval shaped links are made up of two identical links soldered together at a 90 degree angle, making them four sided. The large

An 18 Karat Bicolor Gold Wristwatch, Bvlgari, 26.00 mm case diameter, matte black dial, gold baton and Arabic numerals, gold baton hands, polished bezel double signed BVLGARI, snap on case back, quart

DAVID YURMAN, 18 KARAT GOLD NECKLACE gr wt approx 37.7 dwt length 19 inches. signed D.Y. for David Yurman.

2 Pc GEORG JENSEN 18 Karat Gold Necklace Bracelet. #174. 18K Yellow Gold. Tulip Links Interspersed with Infinity Links. Marked Georg Jensen in Oval. 174. Danish Modern. Bracelet Length is 6.75"-- Dime

An 18 Karat Bicolor Gold Ref. BB 23 2T 'Tubogas' Wristwatch, Bvlgari, 23.00 mm case diameter, black dial, gold baton and Arabic numerals, gold pencil hands, polished gold bezel signed BVLGARI, snap on

stamped "Lalaounis" 43 grams 18 inches long

An 18 Karat Bicolor Gold, Aquamarine and Diamond Ring, containing one octagonal step cut aquamarine measuring approximately 20.47 x 14.87 x 10.42 mm and four round brilliant cut diamonds weighing appr

An 18 Karat Bicolor Gold and Diamond Ring, Italian, containing 73 round brilliant cut diamonds weighing approximately 2.92 carats total, with ribbed textured gold surround. Stamp: 18K ITALY. 15.70 dwt

Impressive 18 karat yellow gold necklace adorned with Tahitian baroque pearls in a silver hue. The clasp is set with 0.1 carats of diamonds. Length: 48 cm Total weight: 47.6 grams

An 18 Karat Bicolor Gold, Diamond and Ruby Bee Brooch, Herbert Rosenthal, the head and legs of textured yellow gold design, the body and wings in white gold, containing two round mixed cut ruby eyes a

An 18 Karat Bicolor Gold, Tsavorite Garnet and Diamond Ring, Italian, containing one oval mixed cut tsavorite garnet measuring approximately 8.85 x 5.66 x 3.55 mm, 12 round mixed cut tsavorite garnets

An 18 Karat Bicolor Gold Panther Motif Ring, consisting of a yellow gold panther motif in a walking pose against a matte white gold background. Stamp: (maker's mark) 18K. 9.65 dwts. Estimate $ 400-600

An 18 Karat Bicolor Gold and Diamond Acorn Motif Brooch, Italian, consisting of a cluster of five acorns containing 44 round single cut diamonds weighing approximately 0.22 carat total and six texture